dl, dt, dd, ul {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

.picker-box {
  -webkit-user-select: none;
}

.picker-box dt {
  background-color: #dbdbdb;
  padding: 5px 20px;
}

.picker-box dd {
  padding: 8px 20px;
  border-bottom: 1px solid #dbdbdb;
}

.pro-picker, .city-picker {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background-color: #fff;
  overflow: auto;
  width: 100%;
}

.city-picker li {
  padding: 10px 20px;
  border-bottom: 1px solid #dbdbdb;
}

.navbar {
  position: fixed;
  top: 50%;
  right: 0;
  width: 20px;
  -webkit-transform: translate(0, -50%);
  transform: translate(0, -50%);
  border-radius: 5px;
}

.navbar a {
  display: block;
  text-align: center;
  color: gray;
}

.navbar.active {
  background-color: grey;
}

.navbar.active a {
  color: #fff;
}

.picker-box .prompt {
  display: block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  font-size: 18px;
  border-radius: 50%;
  background-color: gray;
  color: #fff;
  text-align: center;
  position: fixed;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}